. >> a couple of areas showing no change included energy infrastructure, levies, and inland waterways. inland waterways getting a d-minus, barely above a failing grade. how, if you know, does the u.s. infrastructure compare with that of other countries? in some surveys, very poorly, i believe. >> well, what we do know is that our infrastructure is a part of our competitiveness in the world. if we want to be competitive we need to invest. we can look at things such as china investing some 9% in their infrastructure. europe investing 5% of their gdp in infrastructure. yet you look at the united states, and we're down around 2%. and that's about half of what we invested 50 years ago. >> what about bridges? where -- how -- you know, there have been major stories having to do with the safety of our bridges, that major collapse in minneapolis a few years ago, are they getting better or not? >> yes. they're actually getting better. they improved over our 2009 report card. again, reflecting an increase investment in bridges. we're seeing that around the nation as local leaders step up and sta